en.wikipedia.org › wiki › Chinese_astrologyChinese astrology - Wikipedia Chinese astrology is based on the traditional astronomy and calendars.Chinese astrology came to flourish during the Han Dynasty (2nd century BC to 2nd century AD).. Chinese astrology has a close relation with Chinese philosophy (theory of the three harmonies: heaven, earth, and human), and uses the principles of yin and yang and concepts that are not found in Western astrology, such as the ...